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"We have been wanting to work together with him for a while," she told the team's official website.

"Adrian is not only very fast, but also brings a lot of experience, which is very important looking at the new regulations for next year," she added.

Sutil, who has made 109 career starts in F1, said he was delighted to finally seal a deal.

"In the end the negotiations took a bit longer than planned," he said.

"After six good years driving for Force India, with a lot of highlights, it's now time to embark on a new challenge," he added.

Sutil made his debut in F1 in 2007 for the Spyker team, which was sold to the Force India syndicate a year later.

He made the headlines for the wrong reasons in January 2012, when convicted by a German court on an assault charge after being involved in a nightclub incident in Shanghai following the 2011 Chinese Grand Prix.